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Less string allocations

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Bond_009 2019-02-09 11:53:07 +01:00 committed by Bond-009
parent da9418c1b2
commit 8d98885cda
8 changed files with 76 additions and 36 deletions
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33
Emby.Server.Implementations/HttpServer/HttpResultFactory.cs
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@ -90,7 +90,7 @@ namespace Emby.Server.Implementations.HttpServer
/// </summary>
private IHasHeaders GetHttpResult(IRequest requestContext, Stream content, string contentType, bool addCachePrevention, IDictionary<string, string> responseHeaders = null)
{
var result = new StreamWriter(content, contentType, _logger);
var result = new StreamWriter(content, contentType);
if (responseHeaders == null)
{
@ -131,7 +131,7 @@ namespace Emby.Server.Implementations.HttpServer
content = Array.Empty<byte>();
}
result = new StreamWriter(content, contentType, contentLength, _logger);
result = new StreamWriter(content, contentType, contentLength);
}
else
{
@ -143,7 +143,7 @@ namespace Emby.Server.Implementations.HttpServer
responseHeaders = new Dictionary<string, string>();
}
if (addCachePrevention && !responseHeaders.TryGetValue("Expires", out string expires))
if (addCachePrevention && !responseHeaders.TryGetValue("Expires", out string _))
{
responseHeaders["Expires"] = "-1";
}
@ -175,7 +175,7 @@ namespace Emby.Server.Implementations.HttpServer
bytes = Array.Empty<byte>();
}
result = new StreamWriter(bytes, contentType, contentLength, _logger);
result = new StreamWriter(bytes, contentType, contentLength);
}
else
{
@ -187,7 +187,7 @@ namespace Emby.Server.Implementations.HttpServer
responseHeaders = new Dictionary<string, string>();
}
if (addCachePrevention && !responseHeaders.TryGetValue("Expires", out string expires))
if (addCachePrevention && !responseHeaders.TryGetValue("Expires", out string _))
{
responseHeaders["Expires"] = "-1";
}
@ -277,9 +277,9 @@ namespace Emby.Server.Implementations.HttpServer
private object ToOptimizedResultInternal<T>(IRequest request, T dto, IDictionary<string, string> responseHeaders = null)
{
var contentType = request.ResponseContentType;
var contentType = request.ResponseContentType?.Split(';')[0];
switch (GetRealContentType(contentType))
switch (contentType)
{
case "application/xml":
case "text/xml":
@ -333,13 +333,13 @@ namespace Emby.Server.Implementations.HttpServer
if (isHeadRequest)
{
var result = new StreamWriter(Array.Empty<byte>(), contentType, contentLength, _logger);
var result = new StreamWriter(Array.Empty<byte>(), contentType, contentLength);
AddResponseHeaders(result, responseHeaders);
return result;
}
else
{
var result = new StreamWriter(content, contentType, contentLength, _logger);
var result = new StreamWriter(content, contentType, contentLength);
AddResponseHeaders(result, responseHeaders);
return result;
}
@ -348,13 +348,19 @@ namespace Emby.Server.Implementations.HttpServer
private byte[] Compress(byte[] bytes, string compressionType)
{
if (string.Equals(compressionType, "br", StringComparison.OrdinalIgnoreCase))
{
return CompressBrotli(bytes);
}
if (string.Equals(compressionType, "deflate", StringComparison.OrdinalIgnoreCase))
{
return Deflate(bytes);
}
if (string.Equals(compressionType, "gzip", StringComparison.OrdinalIgnoreCase))
{
return GZip(bytes);
}
throw new NotSupportedException(compressionType);
}
@ -390,13 +396,6 @@ namespace Emby.Server.Implementations.HttpServer
}
}
public static string GetRealContentType(string contentType)
{
return contentType == null
? null
: contentType.Split(';')[0].ToLowerInvariant().Trim();
}
private static string SerializeToXmlString(object from)
{
using (var ms = new MemoryStream())
@ -621,7 +620,7 @@ namespace Emby.Server.Implementations.HttpServer
}
}
var hasHeaders = new StreamWriter(stream, contentType, _logger)
var hasHeaders = new StreamWriter(stream, contentType)
{
OnComplete = options.OnComplete,
OnError = options.OnError

8
Emby.Server.Implementations/HttpServer/StreamWriter.cs
View File

@ -14,8 +14,6 @@ namespace Emby.Server.Implementations.HttpServer
/// </summary>
public class StreamWriter : IAsyncStreamWriter, IHasHeaders
{
private ILogger Logger { get; set; }
private static readonly CultureInfo UsCulture = new CultureInfo("en-US");
/// <summary>
@ -45,7 +43,7 @@ namespace Emby.Server.Implementations.HttpServer
/// <param name="source">The source.</param>
/// <param name="contentType">Type of the content.</param>
/// <param name="logger">The logger.</param>
public StreamWriter(Stream source, string contentType, ILogger logger)
public StreamWriter(Stream source, string contentType)
{
if (string.IsNullOrEmpty(contentType))
{
@ -53,7 +51,6 @@ namespace Emby.Server.Implementations.HttpServer
}
SourceStream = source;
Logger = logger;
Headers["Content-Type"] = contentType;
@ -69,7 +66,7 @@ namespace Emby.Server.Implementations.HttpServer
/// <param name="source">The source.</param>
/// <param name="contentType">Type of the content.</param>
/// <param name="logger">The logger.</param>
public StreamWriter(byte[] source, string contentType, int contentLength, ILogger logger)
public StreamWriter(byte[] source, string contentType, int contentLength)
{
if (string.IsNullOrEmpty(contentType))
{
@ -77,7 +74,6 @@ namespace Emby.Server.Implementations.HttpServer
}
SourceBytes = source;
Logger = logger;
Headers["Content-Type"] = contentType;

2
Emby.Server.Implementations/LiveTv/LiveTvManager.cs
View File

@ -184,7 +184,7 @@ namespace Emby.Server.Implementations.LiveTv
public QueryResult<BaseItem> GetInternalChannels(LiveTvChannelQuery query, DtoOptions dtoOptions, CancellationToken cancellationToken)
{
var user = query.UserId.Equals(Guid.Empty) ? null : _userManager.GetUserById(query.UserId);
var user = query.UserId == Guid.Empty ? null : _userManager.GetUserById(query.UserId);
var topFolder = GetInternalLiveTvFolder(cancellationToken);

21
Emby.Server.Implementations/Serialization/JsonSerializer.cs
View File

@ -41,6 +41,27 @@ namespace Emby.Server.Implementations.Serialization
ServiceStack.Text.JsonSerializer.SerializeToStream(obj, obj.GetType(), stream);
}
/// <summary>
/// Serializes to stream.
/// </summary>
/// <param name="obj">The obj.</param>
/// <param name="stream">The stream.</param>
/// <exception cref="ArgumentNullException">obj</exception>
public void SerializeToStream<T>(T obj, Stream stream)
{
if (obj == null)
{
throw new ArgumentNullException(nameof(obj));
}
if (stream == null)
{
throw new ArgumentNullException(nameof(stream));
}
ServiceStack.Text.JsonSerializer.SerializeToStream<T>(obj, stream);
}
/// <summary>
/// Serializes to file.
/// </summary>

2
Jellyfin.Server/Jellyfin.Server.csproj
View File

@ -3,7 +3,7 @@
<PropertyGroup>
<AssemblyName>jellyfin</AssemblyName>
<OutputType>Exe</OutputType>
<TargetFramework>netcoreapp3.0</TargetFramework>
<TargetFrameworks>netcoreapp2.2;netcoreapp3.0</TargetFrameworks>
<GenerateAssemblyInfo>false</GenerateAssemblyInfo>
</PropertyGroup>

30
Jellyfin.Server/SocketSharp/WebSocketSharpRequest.cs
View File

@ -99,7 +99,7 @@ namespace Jellyfin.Server.SocketSharp
name = name.Trim(HttpTrimCharacters);
// First, check for correctly formed multi-line value
// Second, check for absenece of CTL characters
// Second, check for absence of CTL characters
int crlf = 0;
for (int i = 0; i < name.Length; ++i)
{
@ -216,8 +216,13 @@ namespace Jellyfin.Server.SocketSharp
{
foreach (var acceptsType in acceptContentTypes)
{
var contentType = HttpResultFactory.GetRealContentType(acceptsType);
acceptsAnything = acceptsAnything || contentType == "*/*";
var contentType = acceptsType?.Split(';')[0];
acceptsAnything = contentType.IndexOf("*/*", StringComparison.Ordinal) != -1;
if (acceptsAnything)
{
break;
}
}
if (acceptsAnything)
@ -226,7 +231,7 @@ namespace Jellyfin.Server.SocketSharp
{
return defaultContentType;
}
else if (serverDefaultContentType != null)
else
{
return serverDefaultContentType;
}
@ -269,11 +274,11 @@ namespace Jellyfin.Server.SocketSharp
private static string GetQueryStringContentType(IRequest httpReq)
{
var format = httpReq.QueryString["format"];
ReadOnlySpan<char> format = httpReq.QueryString["format"];
if (format == null)
{
const int formatMaxLength = 4;
var pi = httpReq.PathInfo;
ReadOnlySpan<char> pi = httpReq.PathInfo;
if (pi == null || pi.Length <= formatMaxLength)
{
return null;
@ -281,7 +286,7 @@ namespace Jellyfin.Server.SocketSharp
if (pi[0] == '/')
{
pi = pi.Substring(1);
pi = pi.Slice(1);
}
format = LeftPart(pi, '/');
@ -315,6 +320,17 @@ namespace Jellyfin.Server.SocketSharp
return pos == -1 ? strVal : strVal.Substring(0, pos);
}
public static ReadOnlySpan<char> LeftPart(ReadOnlySpan<char> strVal, char needle)
{
if (strVal == null)
{
return null;
}
var pos = strVal.IndexOf(needle);
return pos == -1 ? strVal : strVal.Slice(0, pos);
}
public static string HandlerFactoryPath;
private string pathInfo;

8
MediaBrowser.Api/UserLibrary/ItemsService.cs
View File

@ -90,7 +90,7 @@ namespace MediaBrowser.Api.UserLibrary
var options = GetDtoOptions(_authContext, request);
var ancestorIds = new List<Guid>();
var ancestorIds = Array.Empty<Guid>();
var excludeFolderIds = user.Configuration.LatestItemsExcludes;
if (parentIdGuid.Equals(Guid.Empty) && excludeFolderIds.Length > 0)
@ -99,12 +99,12 @@ namespace MediaBrowser.Api.UserLibrary
.Where(i => i is Folder)
.Where(i => !excludeFolderIds.Contains(i.Id.ToString("N")))
.Select(i => i.Id)
.ToList();
.ToArray();
}
var itemsResult = _libraryManager.GetItemsResult(new InternalItemsQuery(user)
{
OrderBy = new[] { ItemSortBy.DatePlayed }.Select(i => new ValueTuple<string, SortOrder>(i, SortOrder.Descending)).ToArray(),
OrderBy = new[] { (ItemSortBy.DatePlayed, SortOrder.Descending) },
IsResumable = true,
StartIndex = request.StartIndex,
Limit = request.Limit,
@ -115,7 +115,7 @@ namespace MediaBrowser.Api.UserLibrary
IsVirtualItem = false,
CollapseBoxSetItems = false,
EnableTotalRecordCount = request.EnableTotalRecordCount,
AncestorIds = ancestorIds.ToArray(),
AncestorIds = ancestorIds,
IncludeItemTypes = request.GetIncludeItemTypes(),
ExcludeItemTypes = request.GetExcludeItemTypes(),
SearchTerm = request.SearchTerm

8
MediaBrowser.Model/Serialization/IJsonSerializer.cs
View File

@ -14,6 +14,14 @@ namespace MediaBrowser.Model.Serialization
/// <exception cref="ArgumentNullException">obj</exception>
void SerializeToStream(object obj, Stream stream);
/// <summary>
/// Serializes to stream.
/// </summary>
/// <param name="obj">The obj.</param>
/// <param name="stream">The stream.</param>
/// <exception cref="ArgumentNullException">obj</exception>
void SerializeToStream<T>(T obj, Stream stream);
/// <summary>
/// Serializes to file.
/// </summary>